<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
            <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
              <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
            </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
      <!--表格区域-->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column  prop="goods_name" label="商品名称"></el-table-column>
        <el-table-column  prop="goods_price" label="商品价格(元)" width="95px"></el-table-column>
        <el-table-column  prop="goods_weight" label="商品重量" width="70px"></el-table-column>
        <el-table-column  prop="add_time" label="创建时间" width="160px">
          <template v-slot="scope">
            {{scope.row.add_time | finalDate}}
          </template>
        </el-table-column>
        <el-table-column  prop="goods_name" label="操作" width="130px">
          <template v-slot="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeGoods(scope.row.goods_id)"></el-button>  
          </template>
        </el-table-column>
      </el-table>
      <!--分页区域-->
      <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-size="queryInfo.page"
      :page-sizes="[5, 10, 15, 20]"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
      </el-pagination>
    </el-card>
  </div>
  
</template>

<script>
  export default{
    data() {
      return {
        //商品列表数据
        goodslist: [],
        //商品列表数据总条数
        total: 0,
        //请求参数
        queryInfo: {
          query: '',
          pagenum: 1,
          pagesize: 10,
        },
      }
    },
    created() {
      this.getGoodsList()
    },
    methods: {
      async getGoodsList() {
        const res = await this.$http.get('goods', {params: this.queryInfo});
        if(res.data.meta.status !== 200) {
          return this.$message.error('获取商品列表数据失败!');
        }
        this.goodslist = res.data.data.goods;
        this.total = res.data.data.total;
        console.log(this.goodslist);
      },
      handleSizeChange(newSize) {
        this.queryInfo.pagesize = newSize;
        this.getGoodsList();
      },
      handleCurrentChange(newPage) {
        this.queryInfo.pagenum = newPage;
        this.getGoodsList();
      },
      async removeGoods(id){
        const confimResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',  //如果点击了确定 则返回值是confirm
          cancelButtonText: '取消',   //如果点击了取消 则返回值是cancel
          type: 'warning'
        }).catch(error => error)
        if(confimResult !== 'confirm') return 
        const res = await this.$http.delete(`goods/${id}`)
        if(res.data.meta.status !== 200){
          return this.$message.error('删除用户失败!')
        }
        this.$message.success('删除用户成功')
        this.getGoodsList();
      },
      goAddpage() {
        this.$router.push('/goods/add')
      },
    },
    filters: {
      finalDate: function(originDate) {
        const dt = new Date(originDate);
        const y = dt.getFullYear();
        const m = dt.getMonth() + 1;
        const d = dt.getDate();
        const hh = dt.getHours();
        const mm = dt.getMinutes();
        const ss = dt.getSeconds();
        return `${y}-${m}-${d} ${hh}:${mm}:${ss}`
      }
    }
  }
</script>

<style scoped>
.el-breadcrumb{
  margin-bottom: 15px;
  font-size: 12px;
}

.el-table{
  margin-top: 15px;
}
</style>